A Location System is a set of operating locationsA location with a location type of OPERATING. More joined together into a hierarchy or network. 

The Manage Systems action in the Locations application is used to define a location system. A system is often geographic based, but it can also be a grouping of locationsA physical place where assets exist and where work can be performed. More that support a connected set of assets, for example the HVAC assets, water, electric, or sanitary systems. A location system could be used for reporting purposes, data security, outage management, to connect the assets in a manufacturing line or the assets connected by a conveyor system.

All the locations in a location system must be of type OPERATING. They are formed into a hierarchy or a network, in a network a location can have multiple parents, only one parent in a hierarchy. An operating location can belong to multiple location systemsA Location System is a set of operating locations joined together to form a hierarchy or a network. More but all the locations in the hierarchy or network must be from the same site. Locations with other location typesThere are eight location types of which the most common one is an Operating Location. More cannot be added to a location system, only locations of type OPERATING.

There must be a location system for each Site which is marked as the Primary and this must be a hierarchy, it is known as the Primary Location HierarchyA Location Hierarchy is a hierarchy of operating locations. More, or Primary Hierarchy.

One hierarchical location system in each site can be marked as the Address System which is used to derive a Service AddressA Service Address is a postal address and/or a record that positions a point on a map. More for a location or asset.

When joined into a hierarchy or network the operating locations are added to two objects LOCHIERARCHY and LOCANCESTOR, these are Site level objects.